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Inspire Medical Systems

252 hedge funds and large institutions have $5.91B invested in Inspire Medical Systems in 2021 Q3 according to their latest regulatory filings, with 34 funds opening new positions, 86 increasing their positions, 98 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

22% more capital invested

Capital invested by funds: $4.83B → $5.91B (+$1.08B)

21% more first-time investments, than exits

New positions opened: 34 | Existing positions closed: 28

2% more funds holding

Funds holding: 247252 (+5)

1.25% more ownership

Funds ownership: 91.85%93.1% (+1.2%)

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

12% less repeat investments, than reductions

Existing positions increased: 86 | Existing positions reduced: 98

33% less call options, than puts

Call options by funds: $17.4M | Put options by funds: $25.8M

Holders
252
Holders Change
+5
Holders Change %
+2.02%
% of All Funds
4.41%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.05%
New
34
Increased
86
Reduced
98
Closed
28
Calls
$17.4M
Puts
$25.8M
Net Calls
-$8.48M
Net Calls Change
+$4.92M
Name Holding Trade Value Shares
Change
Change in
Stake
Citadel Advisors
51
Citadel Advisors
Florida
$21.2M -$41.4M -198,533 -69%
Adage Capital Partners
52
Adage Capital Partners
Massachusetts
$18.6M -$23M -110,000 -58%
MCM
53
Moore Capital Management
New York
$18.1M +$16.2M +77,805 New
EHI
54
Eagle Health Investments
Connecticut
$16M +$2.63M +12,600 +22%
ORI
55
Oak Ridge Investments
Illinois
$15.3M -$345K -1,653 -2%
Voloridge Investment Management
56
Voloridge Investment Management
Florida
$14.9M +$9.24M +44,301 +225%
Swiss National Bank
57
Swiss National Bank
Switzerland
$14M +$62.6K +300 +0.5%
PAMP
58
Polar Asset Management Partners
Ontario, Canada
$13.8M -$2.86M -13,700 -19%
Assenagon Asset Management
59
Assenagon Asset Management
Luxembourg
$13.1M +$7.31M +35,014 +166%
California Public Employees Retirement System
60
California Public Employees Retirement System
California
$12.6M -$1.17M -5,587 -9%
SAM
61
Sectoral Asset Management
Quebec, Canada
$12M -$3.26M -15,600 -23%
CAM
62
Cormorant Asset Management
Massachusetts
$11.2M
BA
63
Bridgewater Associates
Connecticut
$11M -$338K -1,622 -3%
State of Wisconsin Investment Board
64
State of Wisconsin Investment Board
Wisconsin
$10.9M +$1.9M +9,100 +24%
SBH
65
Segall Bryant & Hamill
Illinois
$10.5M +$250K +1,198 +3%
Deutsche Bank
66
Deutsche Bank
Germany
$10.5M -$1.99M -9,551 -18%
PPA
67
Parametric Portfolio Associates
Washington
$9.64M +$1.88M +9,008 +28%
JP Morgan Chase
68
JP Morgan Chase
New York
$9.57M -$3.17M -15,215 -27%
SO
69
STRS Ohio
Ohio
$9.11M +$6.11M +29,300 +299%
Calamos Advisors
70
Calamos Advisors
Illinois
$8.79M -$564K -2,703 -7%
JSP
71
Jackson Square Partners
California
$8.73M +$1.73M +8,302 +28%
California State Teachers Retirement System (CalSTRS)
72
California State Teachers Retirement System (CalSTRS)
California
$8.57M -$50.5K -242 -0.7%
AllianceBernstein
73
AllianceBernstein
Tennessee
$8.03M -$41.7K -200 -0.6%
Bank of Montreal
74
Bank of Montreal
Ontario, Canada
$7.71M +$3.16M +15,148 +81%
New York State Common Retirement Fund
75
New York State Common Retirement Fund
New York
$7.3M -$668K -3,200 -9%

INSP Hedge Fund Activity: Q3 2021 in Review

252 of the 5,712 institutional investors tracked by Wall St. Rank reported a position in Inspire Medical Systems (INSP) for Q3 2021, worth a combined $5.91B — up 22% from $4.83B a quarter earlier.

Buyers outnumbered sellers: 34 funds opened new INSP positions and 28 closed out — a net gain of 6 holders — while 86 added to existing stakes and 98 trimmed.

The largest buyer was Macquarie Group, adding an estimated $159M. The largest seller was Citadel Advisors, cutting an estimated $41.4M.

  • 252 institutional investors held Inspire Medical Systems (INSP) as of Q3 2021, up from 247 in Q2 2021.
  • Funds reported $5.91B of Inspire Medical Systems stock for Q3 2021, up 22% quarter-over-quarter.
  • 34 funds opened new Inspire Medical Systems positions in Q3 2021 and 28 closed out, a net change of +6 holders.
  • The largest Inspire Medical Systems buyer in Q3 2021 was Macquarie Group, an estimated $159M added.
  • The largest Inspire Medical Systems seller in Q3 2021 was Citadel Advisors, an estimated $41.4M sold.

Based on aggregated 13F filings for Q3 2021.